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Question

Transformation of a normal cell to cancer cell may start with changes in

A
Cytoplasm
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B
Nucleus
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C
Mitochondria
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D
Fibronetin
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Solution

The correct option is B Nucleus
  • A gene is the basic physical and functional unit of heredity. Genes are made up of DNA and DNA is present inside the nucleus.
  • Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumour.
  • Hence Transformation of a normal cell to cancer cell may start with changes in Nucleus.
  • So, the correct answer is 'Nucleus'.

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